JRC JMA-5212-4 Service Manual Download Page 44

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3-8

3.2.2. NKE-2254

No.

PART NAME

PRODUCT CODE

SERVICE CODE

NOTE

1 Radiator

Assy.

㩷

NAX-16B

9ft/7ft/6ft

1-1 Bolt

BRTG07249

㩷

HEX10X35 SUS304

1-2 Spring Washer BRTG00404

㩷

SW10

1-3 Washer MTL315466

㩷

2 Support Assy. MPBX40223

㩷

2-1 Antenna

Support MTC301223A

㩷

2-2 Slide

Plate

MTT309252

㩷

2-3 O-Ring BRPK00054

㩷

P42 ID41.7 D3.5

3 Housing Assy.

㩷

3-1 Housing MTC301727

㩷

3-2 Sleev

MTL317432

㩷

3-3 Breathing Cap MTT309253

㩷

3-4 Upset Bolt

BRTG09305

㩷

M5X12 FF ZMC4RBU

3-5 Toggle Switch

MDLW11931

㩷

CSD-654

3-6

Cover for SW

MPPK00925A

㩷

3-7 Cover MTB389969

㩷

3-8 Cover MTB389970

㩷

3-9 NK5X10Bs

BSNK05010B

㩷

3-10 NK5X12Bs

BSNK05012B

㩷

4 Cover

Assy. MPBX44875

㩷

4-1 Cover MTC301729

㩷

4-2 Packing MTV303883

㩷

4-3 Bolt

MPTG31381

㩷

4-5 Spring Washer BRTG00747

㩷

M8SUS304

㩷

3.2X2

4-4 Washer BRTG00224

㩷

M8 SUS304

4-6 Sealing Washer BRTG01826

㩷

M8 SUS

5 Drive

Assy. MPGK30895C

㩷

5-1 Flange MTC301224A

㩷

5-2 Main

Shaft

MTH300568A

㩷

5-3 Main

Gear MTG300423A

㩷

5-4 Gear MTG300424

㩷

5-5 Spacer MTB366794A

㩷

5-6 Key MTL317433

㩷

5-7 Bearing BRGK05410

㩷

6012ZZ CM/5K

5-8 Bearing BRGK05409

㩷

6009ZZ CM/5K

5-9 Retaining Ring-C Type BRTG06164

㩷

5-10 Roling Bearing Washer BRTG07261

㩷

AW10X ID50

5-11 O-Ring BRPK05043

㩷

G155

5-12 Roling Bearing Locknut

BSAN10000S

㩷

AN10 M50X1.5

6 V-Ring BRPK00189

㩷

V-100A

7 Bolt

BRTG07268

㩷

M8X25 TI

8 Spring Washer BRTG07270

㩷

M8 TI

9 Washer BRTG07267

㩷

M8 TI

10 Bolt

BRTG06849

㩷

M8X23 SUS304

11 Rotary Joint Assy. MPAB31188

㩷

Summary of Contents for JMA-5212-4

Page 1: ...MARINE RADAR MARINE RADAR EQUIPMENT EQUIPMENT FIELD SERVICE FIELD SERVICE MANUAL MANUAL JMA 5212 4 6 JMA 5212 4 6 JMA 5222 7 9 JMA 5222 7 9 JMA 5212 4HS 6HS JMA 5212 4HS 6HS ...

Page 2: ......

Page 3: ...y System 2 9 2 4 Input Output Specifications 2 12 2 4 1 SCANNER J2 2 12 2 4 2 GPS J3 2 13 2 4 3 GYRO COMPASS J5 2 13 2 4 4 AIS NMEA J6 2 14 2 5 DIP SW Jumper Setting 2 15 2 5 1 Power Circuit CBD 1702A 2 15 2 5 2 GYRO I F Circuit CMJ 304E 2 17 2 5 3 Radar Processing Circuit CDC 1350 2 20 2 5 4 AIS Processing Circuit CDC 1353 2 20 2 5 5 T R Control Circuit CMC 1205R 2 21 Chapter 3_Service Parts 3 1 ...

Page 4: ...254 4 15 4 1 11 Magnetron fan replacement NKE 2254 4 17 4 1 12 Modulator fan replacement NKE 2254 4 18 4 1 13 NKE 2103 scanner unit parts replacement 4 21 4 1 14 Magnetron Replacement for the NKE 2103 4 22 4 1 15 Motor Replacement for the NKE 2103 4 24 4 1 16 Motor Control Power Circuit Replacement for the NKE 2103 4 25 4 1 17 Modulation Circuit CME 363 Replacement for the NKE 2103 4 26 4 1 18 Pow...

Page 5: ... Check Keyboard Test 6 4 6 1 4 Performance Monitor MON Display 6 5 6 1 5 System Alarm Log Display Alarm List Log 6 5 6 1 6 System Information Display System INFO 6 6 6 2 Error Message Lists 6 7 6 2 1 Error Messages for the Scanner Unit 6 7 6 2 2 Error Messages for the Display System 6 14 6 2 3 Error Messages for the External Input Output Equipment 6 19 6 3 Examples of Trouble 6 31 6 3 1 Internal C...

Page 6: ... 2 Overall System Diagram of the Radar JMA 5212 4 6 4HS 6HS 7 12 7 3 Inter Unit Connection Diagram 7 13 7 3 1 Inter Unit Connection Diagram of the JMA 5222 7 9 7 13 7 3 2 Inter Unit Connection Diagram of the JMA 5212 4 6 4HS 6HS 7 14 7 4 Unit Internal Connection Diagrams 7 15 7 4 1 Internal Connection Diagram of the Scanner Unit NKE 2254 7 15 7 4 2 Internal Connection Diagram of the Scanner Unit N...

Page 7: ... Chapter 1 Equipment Overview ...

Page 8: ... ...

Page 9: ...ail display function target tracking function 1 and AIS information display function 1 1 The function is optional for radar equipment not an IMO radar which is designed for fishing boats 1 2 Scanner Unit The scanner unit is an antenna that transmits a radar signal into space and sends the radar signal reflected from a target into the equipment The horizontal antenna beam width is small for identif...

Page 10: ...tions This radar equipment satisfies the performance requirements defined in the IMO standard MSC 192 79 and has the following functions Ԙ Sensitivity adjustment and sea clutter and rain snow clutter suppression ԙ Interference rejecter Ԛ Navigation tools cursor VRM EBL and parallel cursor ԛ Own track display Ԝ User map creation and display ԝ Radar trail display Ԟ Target tracking 1 ԟ AIS informatio...

Page 11: ... Chapter 2 Equipment Overview ...

Page 12: ... ...

Page 13: ...OT ANTENNA 25kW X 24rpm CAT 2 JMA 5222 9 9 FT SLOT ANTENNA 25kW X 24rpm CAT 2 Type of transmitted radio wave P0N for all the models Non IMO compliance MODEL NUMBER SCANNER TRANSMITTED OUTPUT POWER BAND RATE OF ROTATION JMA 5212 4 4 FT SLOT ANTENNA 10kW X 27rpm JMA 5212 6 6 FT SLOT ANTENNA 10kW X 27rpm JMA 5222 7 7 FT SLOT ANTENNA 25kW X 24rpm JMA 5222 9 9 FT SLOT ANTENNA 25kW X 24rpm JMA 5212 4HS ...

Page 14: ...E 2254 7 NJU 85 NCD 4380 DC24V JMA 5222 9 NKE 2254 9 NJU 85 NCD 4380 DC24V Non IMO compliance MODEL NUMBER SCANNER PERFORMANCE MONITOR UNIT DISPLAY SYSTEM SHIP S MAINS JMA 5212 4 NKE 2103 4 NJU 85 NCD 4380 DC24V JMA 5212 6 NKE 2103 6 NJU 85 NCD 4380 DC24V JMA 5222 7 NKE 2254 7 NJU 85 NCD 4380 DC24V JMA 5222 9 NKE 2254 9 NJU 85 NCD 4380 DC24V JMA 5212 4HS NKE 2103 4HS NJU 85 NCD 4380 DC24V JMA 5212...

Page 15: ...neck heater and that a deicing mechanism cannot be installed in the NKE 2103 ԙ A scanner unit and display system are indicated on the nameplate of the equipment as follows SCANNER UNIT DISPLAY UNIT Ԛ The display system has a separate structure consisting of the following Display unit NWZ 164 Control unit NCM 866 E The control unit NCM 866 E IMO compliance consists of the following Processor unit N...

Page 16: ...Relay 5V AVR 3 3V Poly sw Poly sw Filter Filter Motor Motor Control AVR System Power Supply Scanner Unit NKE 2103 2254 NSK UNIT NCT 4106A option Power SW Keyboard Unit NCE 7699A 15 inch LCD NWZ 164 To GPS 6W 0 5A 0 5A Logic Logic 4A 2A Analog Analog PWR O 12V 1 0A 12V 0 2A F3 F2 Figure 2 1 Power System Diagram ...

Page 17: ...t with the constant in the power circuit CBD 1702A The P 12V power supply is active even when the power switch on the operation unit is turned off This power supply is used with circuits such as the control circuits in the power circuits When the power switch on the operation unit is turned on the power supply to be used inside the equipment is started and the 5V 3 3V 12V and 12V power supplies ar...

Page 18: ...DUMMY LOAD DC 24V Serial Com BP BZ VD TRIG NKE 2254 Scanner Unit POWER SUPPLY CIRCUIT MOTOR CONTROL POWER PC1501 Rotation Control Speed control Status DC 24V Tx Trigger Pulse Width DC 24V ENCODER ROTARY JOINT INTERFACE CIRCUIT PC1101 RF AMP IF AMP VIDEO AMP RECEIVER Receiver Bandwidth Control Tune Control DIODE LIMITER Figure 2 2 Functional System Diagram of NKE 2254 Scanner Unit ...

Page 19: ...ulator switching circuit After high voltage switching for the modulator the high voltage pulse is further boosted by the pulse transformer and applied to the magnetron for obtaining pulse modulated microwave The radar signal pulse width and repetition frequency are specified by a control command from the display system The radar signal passes through the duplexer circuit configured with the circul...

Page 20: ...d log compressed signal The antenna rotation signal is an incremental signal and 2048 rotation pulses and reference bearing pulses per cycle are used When a specified time has passed during the stopping of the communication signal from the display system the interface circuit moves into the protection mode and forcibly stops the transmission and the scanner unit ...

Page 21: ...EL ADC Main PCB PWR SW DSP radar DSP ARPA BP BZ VD TI Radar draw ASIC Scan convert Scan correlation Trail process Key Board NCE 7699A RS422 I F RS422 I F TrackBall Buzer CPU Key Matrix MULTI Frame Memory Radar echo Radar trails Sub CPU Encoder RAIN SEA EBL PS 2 GAIN VRM Trackball option 15 inch LCD P12V 12V 5V Display NWZ 164 Analog RGB option Graphics ASIC MAP draw Graphics draw Frame Memory MAP ...

Page 22: ...function The main CPU also starts the DSP by writing programs into memory in the DSP of the ARPA processing circuit and issues an initialization command to the CPU in the AIS processing unit so as to initialize the AIS processing circuit After that the main CPU sets the internal condition according to sensor data which is input through the communication lines of NSK unit GPS etc and it issues an i...

Page 23: ...and necessary information on the radar display The display unit displays the display signals on the LCD panel that are output by the radar processing circuit The brightness of screen display can be adjusted by the brilliance control on the display unit C Basic radar operation When preheating of the magnetron in the scanner is finished the display system enters the standby state Pressing TX STBY on...

Page 24: ...ircuit CBD 1702A 2 4 1 SCANNER J2 SCANNER J2 is used for connection with the scanner unit PIN NAME DESCRIPTION APPLICATION 1 MOTOR 2 MOTOR 3 TRX 4 MOTOR 5 MOTOR 6 TRX 7 GND 8 12V 9 MTR RS485 10 MTR RS485 11 BZE 12 BZ 470ohm pull up 13 BPE 14 BP 470ohm pull up 15 TRGE 16 TRG 180ohm input 17 VDE 18 VD 50ohm input TXRX ...

Page 25: ...MPASS J5 is connected when a bearing signal is input to the radar PIN NAME DESCRIPTION APPLICATION 1 NSKTX Signal transmitted to the NSK 2 NSKTX Signal transmitted to the NSK 3 NSKRX Signal received from the NSK GPS compass or another bearing sensor NMEA 4 NSKRX Signal received from the NSK GPS compass or another bearing sensor NMEA 5 GND Power GND for the NSK 6 ALM Dry contact output 1 External b...

Page 26: ... be connected PIN NAME DESCRIPTION APPLICATION 1 NMEA RXD Signal received from external equipment 2 NMEA RXD Signal received from external equipment 3 NMEA TXD Signal transmitted to the AIS 4 NMEA TXD Signal transmitted to the AIS 5 GND GND 6 EVENT Dry contact input 1 Own ship s position mark 7 EVENT Dry contact input 2 Own ship s position mark ...

Page 27: ... to the pin J5 6 7 use the jumper TB1J to determine whether to open or close the buzzer contact in accordance with the status of use under normal conditions Normally open contact when the pins 1 2 are jumpered factory setting Normally closed contact when the pins 2 3 are jumpered If the AIS is connected connect the jumper TB3J between the pins 2 and 3 DIRECT CBD 1702A TB1J 1 2 jumpered ...

Page 28: ...2 16 To make a connection with the PC plotter and RS232C connect the jumper TB4J to RS232C as shown in the picture below Connect the jumper TB4J on the RS232C side ...

Page 29: ...6 is lighted when the voltage is 22 VDC or less Even when the display system is turned off the JMA 5200mk2 operates receiving power from the display system side Thus the switching of TB105 setting is not necessary This switching does not cause any problem The JMA 5200MK2 needs the switching of TB105 setting 3 TB106 and TB107 Not installed 4 TB108 and TB109 Not installed 5 TB401 TB403 Availability ...

Page 30: ...E SYNC ON Don t care OFF 800P㧛360X OFF OFF 400P㧛180X ON OFF 200P㧛90X OFF ON LOG SIGNAL PULSE NM 100P㧛30X ON ON S4 SETTING TABLE 1 2 3 4 5 6 7 8 ON LOG ALARM OFF ON GYRO SIMULATOR OFF ON LOG SIMULATOR OFF N C Don t care any 5s ON GYRO ALARM TIME 0 5s OFF NMEA HDT THS ON HEADING SENSOR SOURCE GYRO SIGNAL OFF 4800 OFF OFF 9600 ON OFF 19200 OFF ON OTHER SETTING NMEA BAUDRATE SETTING 38400 ON ON ...

Page 31: ...o degree setting switch Sets as the due north the bearing at the point of pressing 9 S2 and S3 Selection of a gyro type Left Step Right Synchro 10 S1 Gyro ON OFF switch Left OFF Right ON 11 S10 Other settings are not to be used Set all to OFF LED ...

Page 32: ... Do not change this setting 4 OFF Do not change this setting 5 OFF Do not change this setting 6 OFF Do not change this setting 2 S301 4 bit DIP SW Do not change any of the factory settings below 1 ON Do not change this setting 2 ON Do not change this setting 3 OFF Do not change this setting 4 OFF Do not change this setting 2 5 4 AIS Processing Circuit CDC 1353 Connect the jumpers as shown in the p...

Page 33: ...C 1205R Type of DIP switch Type of jumper pin SW1 and SW2 J92 J93 J95 and J96 NKE 2254 2 units 25 kW X band Jumper pin setting DIP switch setting Switch J92 J93 J95 J96 1 2 jumpered ࠪ ሶ 3 2 1 SW1 1 2 ON SW2 1 2 3 4 5 6 7 ON Jumper pins ...

Page 34: ...2 22 ...

Page 35: ... Chapter 3 Service Parts ...

Page 36: ... ...

Page 37: ...n Fuse ST4 5AN1 5ZFCA00050 1 3 F2 Inside processing unit Fuse ST6 10AN1 5ZFCA00053 1 3 F3 Inside processing unit 7ZXRD0015 JMA 5222 7 9 Name Type Code Shape mm In Use Spare Parts No Location Fuse ST6 10AN1 5ZFCA00053 1 3 F2 Inside processing unit Fuse ST6 10AN1 5ZFCA00053 1 3 F3 Inside processing unit 31 8 Ǟ6 35 31 8 Ǟ6 35 31 8 Ǟ6 35 31 8 Ǟ6 35 ...

Page 38: ...BS NJRC Scanner unit 5VMAA00106 A101 A102 Circulator NJC3901M NJRC Scanner unit 5AJBV00007 A103 Dummy NJC4002 NJRC Scanner unit 5ANDF00001 A104 Filter NJC9952 NJRC Scanner unit 5AWAX00002 A301 Diode limiter NJS6930 NJRC Scanner unit 5ATBT00006 3 1 3 NKE 2103 JMA 5212 4 6 4HS 6HS Location Circuit Block Type Remarks Scanner unit Motor with gear 7BDRD0048 DC brushless motor Scanner unit Modulation ci...

Page 39: ...der CHT 71A Scanner unit T R control circuit CMC 1205R Scanner unit Motor control power circuit CBD 1779 Scanner unit Heater control circuit CHG 216 Optional 100 VAC Scanner unit Fan 7BFRD0002 Scanner unit Performance monitor NJU 85 3 1 5 NCD 4380 Location Circuit Block Type Remarks Processor unit Radar processing circuit CDC 1350 Processor unit Ordinary target tracking circuit NCA 877A Optional P...

Page 40: ...301685 㩷㩷 4 2 Main Gear MTG300511 㩷㩷 4 3 Gear MTG300424A 㩷㩷 4 4 Bracket MTC301655 㩷㩷 4 5 Key MTL325003 㩷㩷 4 6 Spacer 1 MTL325004 㩷㩷 4 7 Spacer 2 MTL325005 㩷㩷 4 8 Bearing BRGK05420 㩷 6011ZZ 4 9 Bearing BRGK05409 㩷 6009ZZ 4 10 Retaining Ring Type C BRTG05289 㩷 HC75 SK5 4 11 Bearing Nut BRTG06929 㩷 AN09 4 12 Cross recessed Head Screw BSNC03010B 㩷 NC3X8Bs 5 Rotary Joint MPAB31563 㩷㩷 6 Motor H ...

Page 41: ...M4X70 Bs 10 2 13 Cross recessed Head Screw BSNC04010B 㩷 NC4X10Bs 10 2 14 Spring Washers BSSW04000S 㩷 SW4 10 2 15 Washers BSFW04000B 㩷 W4Bs 10 3 Modulator Unit MPBX44290 CME 363 㩷 10 4 Power Supply Unit MPBX44291 CBD 1783 㩷 10 5 Motor Control PC MDBW10832 CBD 1779 CBD 1779 10 6 Magnetron 5VMAA00102 5VMAA00102 MAF1565N 10 7 Resistors 㩷 CFA 252 10 8 Filter PC 㩷 CFR 234 10 9 Cover MTB389805 㩷㩷 10 10 ...

Page 42: ...㩷 M8X25 FE SW W㩷 ZMC4RBU 29 Bolts BRTG09296 㩷 M6X70 FE SW W ZMC4RBU 30 Cross recessed Head Screw BSNC04025B 㩷 NC4X25Bs 31 Bolts BRTG06852 㩷 M4X12 SW W SUS304 32 Bolts BRTG09004 㩷 M5X16 SW W SUS304 33 Cross recessed Head Screw BSNB05010B 㩷 NB5X10Bs 34 Cross recessed Head Screw BSNB04012B 㩷 NB4X12Bs 35 Cross recessed Head Screw BSNC04010B 㩷 NC4X10Bs 36 Cross recessed Head Screw BSNC03008B 㩷 NC3X8Bs ...

Page 43: ...3 7 Figure 3 1 Exploded Diagram of the NKE 2103 ...

Page 44: ...05012B 㩷㩷 4 Cover Assy MPBX44875 㩷㩷 4 1 Cover MTC301729 㩷㩷 4 2 Packing MTV303883 㩷㩷 4 3 Bolt MPTG31381 㩷㩷 4 5 Spring Washer BRTG00747 㩷 M8SUS304㩷 3 2X2 4 4 Washer BRTG00224 㩷 M8 SUS304 4 6 Sealing Washer BRTG01826 㩷 M8 SUS 5 Drive Assy MPGK30895C 㩷㩷 5 1 Flange MTC301224A 㩷㩷 5 2 Main Shaft MTH300568A 㩷㩷 5 3 Main Gear MTG300423A 㩷㩷 5 4 Gear MTG300424 㩷㩷 5 5 Spacer MTB366794A 㩷㩷 5 6 Key MT...

Page 45: ...1414 㩷 25 AL 17 Heat radiation Board MPBC43035 㩷㩷 18 Power Supply Unit MPBX44439 㩷㩷 18 1 Chassis for Power Supply MPBX44440 㩷㩷 18 2 Power Supply PC MDBW10837 㩷 CBD 1682A 19 㩷㩷 20 Motor Control Assy MPBX44318A 㩷㩷 20 1 Chassis for Control MPBX44319 㩷㩷 20 2 Motor Power Supply PC MDBW10832 㩷 CBD 1779 21 Tranceiver Assy MDNZT5024A 㩷 NZT 1125 21 1 Modulator Unit MDNMA5077A 㩷 NMA 550 21 2 Main Chas...

Page 46: ... SUS304 21 25 Cross recessed Head Screw BRTG05659 㩷 NK4X0 7X65Bs 22 Performance Monitor Unit NJU 85 NJU 85 23 PM Adapter MPBC43041A 㩷㩷 24 Neck Heator kit MDMW11067A 㩷 CHG 216P 24 1 Neck Heator Unit 㩷㩷 24 2 Plate Clamp MTB374149 㩷㩷 24 3 Plate Clamp MTB374150 㩷㩷 24 4 Terminal Board for heater 㩷㩷 25 Cross recessed Head Screw BSNC04010B 㩷 M4X10 SW LW 26 Cross recessed Head Screw BSNC04016B 㩷 M4X1...

Page 47: ...3 11 Figure 3 2 Exploded Diagram of the NKE 2254 ...

Page 48: ...r 3 2X6X0 5 White BRTG04252 KOSHIN 16 Spacer L MTL323365 17 Nut NO 4 40UNC Bs BNM2 BRTG09065 KOSHIN 18 Spacer S MTL323366 19 Heat sink MTC301546 20 Panel MPNN43566 21 Fuse 22 Radiator Sheet MTT308591 23 Connector 24 Rubber Washer MTT311607 25 Sems Screw NC3X12SUS BRTG03547 KOSHIN 26 Rubber Washer MTT311609 27 Gasket 1 MTT308585 28 Gasket 2 MTT308586 29 Label MPNN42981 30 Radar processing circuit C...

Page 49: ...g MTT308975 12 Trackball 13 Spacer MTT309110 14 Keyboad Unit CCK 979 15 PS2 I F CIRCUIT 16 Drip proof Rubber MTV303812 17 Cable Clamp FGC 5 BRBP05042 KITAGAWA IND 18 Rubber Washer MTT301458A 19 PT Screw 1411 H2 3010C BRTG09222 JAPAN DRIVE IT 20 PT Screw 1411 H2 3008 BRTG09223 JAPAN DRIVE IT 21 Waterproof Sheet BRPK05061 NITTO DENKO 22 Cable 23 Nameplate MPNN45156 24 MTZ303980 1 1 25 1 Bezel MTV304...

Page 50: ...6 Drip proof Rubber 2 MTT306120 27 Keyboad Unit CCK 980 UJRC 28 Speaker 29 Power Switch 30 Nameplate MPNN45283 31 Nylon Clip AB 10N BRBP00012 TYTON 32 Cable Clamp FGC 5 BRBP05042 KITAGAWA IND 33 Binding Head Screw M4X8FE ZMC Black BRTG08628 KOSHIN 34 PT Screw 1411 H2 3006 BRTG09224 JAPAN DRIVE IT 35 Latch TL 304 2 BRTG07339 TOCHIGIYA 36 Sems Screw NC3X8Bs BSNC03008B 37 Sems Screw NC3X12Bs BSNC0301...

Page 51: ...3 15 Figure 3 3 Exploded Diagram of the NDC 1460 Fuse nut Connector nut Connector nut ...

Page 52: ...g for vibrationproof MTT306943 9 Speaker 10 Trackball Cover MTV303599 11 Teflon Ring MTT308975 12 Trackball 13 Spacer MTT309110 14 Keyboad Unit CCK 979 15 PS2 I F CIRCUIT 16 Drip proof Rubber MTV303812 17 Cable Clamp FGC 5 BRBP05042 KITAGAWA IND 18 Rubber Washer MTT301458A 19 PT Screw 1411 H2 3010C BRTG09222 JAPAN DRIVE IT 20 PT Screw 1411 H2 3008 BRTG09223 JAPAN DRIVE IT 21 Waterproof Sheet BRPK0...

Page 53: ...3 17 Figure 3 4 Exploded Diagram of the NCE 7699A ...

Page 54: ...3 18 ...

Page 55: ... Chapter 4 Replacement of Major Units ...

Page 56: ... ...

Page 57: ...f before you start the parts replacement For the sake of safety turn off the main power circuit breaker Wear gloves to protect your hands during parts replacement Be very careful not to drop a tool or part when you work in high places Carry out parts replacement while the ship does not roll or pitch much in a bay if possible Be careful that the radiator does not hit anyone during parts replacement...

Page 58: ...he bottom of the scanner unit 2 Loosen the four hexagon bolts and remove the pedestal cover To replace the following parts remove the cover from the left port side Motor Motor driver circuit To replace the following parts remove the cover from the right starboard side Transmitter magnetron modulation circuit or fan for the modulation circuit Receiver T R control circuit Power circuit Encoder Ship ...

Page 59: ...l be clean free from dust and dirt when you mount the cover 5 Turn on the radar and perform necessary operation checks 4 1 3 Magnetron replacement NKE 2254 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Remove the covers from the right starboard side see Section 4 1 2 ...

Page 60: ...Do not forget to tighten the bolts and screws and do not forget to reconnect the cables Extreme care should be taken to connect the leads yellow and green to the magnetron for prevention of contact with other parts or the casing Contact may cause them to discharge Operation check After having completed the replacement follow the steps below to check the operation 1 Turn on the radar and allow suff...

Page 61: ...ent is shown between the fifth and seventh calibration markings 4 1 4 Motor replacement NKE 2254 Required tools Single ended wrench width across flats 17 mm for M8 bolts Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Remove the cover from the left port side see Section 4 1 2 and disconnect the cables that are connected to the motor driver circuit from the moto...

Page 62: ...140 kgf cm 6 Apply grease to the gear after installing the motor 7 After the motor replacement carry out the work in reverse order of removal Be sure to tighten all the bolts and screws and connect all the cables Operation check After completing the replacement work check the operation by following the procedure below 1 Turn on the radar transmit radar signals when the countdown is finished and ch...

Page 63: ...t the cables and remove the three screws M4 from the motor driver circuit and then detach the plate on which the motor driver circuit is mounted 2 Disconnect the cables from the motor driver circuit remove the four screws M4 and replace the motor driver circuit 3 After the driver circuit replacement carry out the work in reverse order of removal Be sure to tighten all the bolts and screws and conn...

Page 64: ...circuit CPA 264 replacement NKE 2254 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Single ended wrench width across flats 7 mm for M4 bolts Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Remove the cover on the right starboard side see Section 4 1 2 remove the cables connected to the transmitter receiver unit and ...

Page 65: ...is straight 4 After having replaced the modulator circuit board reassemble the unit following the disassembly procedure in the reverse order Do not forget to tighten the bolts and screws and do not forget to reconnect the cables Operation check After having completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is fin...

Page 66: ... remove the cables connected to the transmitter receiver unit and the screws three M5 screws holding the transmitter receiver unit in place and remove the transmitter receiver unit 2 Remove the cables connected to the power supply circuit board and the screws five M4 screws holding the power supply circuit board in place Remove the power supply circuit board together with the metal fitting holding...

Page 67: ...ng completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is finished and check that the radar image is correctly displayed 4 1 8 T R control circuit CMC 1205R replacement NKE 2254 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Tools for removing the scanner unit covers Se...

Page 68: ...control circuit board and the screws seven M4 screws and replace the T R control circuit board Set the DIP switch and jumper pins of the T R control circuit board to suite the NKE 2254 see Section 2 5 5 4 After having replaced the T R control circuit board reassemble the unit following the disassembly procedure in the reverse order Do not forget to tighten the bolts and screws and do not forget to...

Page 69: ...ion once the countdown is complete and check that the radar image is correctly displayed 4 1 9 Receiver NRG 162A replacement NKE 2254 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Tools for removing the scanner unit covers See Section 4 1 2 1 Remove the cover on the right starboard side see Section 4 1 2 remove the cables connected to the transmitter ...

Page 70: ...t forget to tighten the bolts and screws and do not forget to reconnect the cables Operation check After having completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is finished and check that the radar image is correctly displayed Transmit radar signals on a long range and open the service engineer menu to adjust th...

Page 71: ...rs See Section 4 1 2 Replacement procedure 1 Remove the cover on the right starboard side see Section 4 1 2 remove the cables connected to the transmitter receiver unit and the screws three M5 screws holding the transmitter receiver unit in place and remove the transmitter receiver unit 2 Loosen the screws two M4 screws and remove the encoder together with the metal fitting Remove the five cables ...

Page 72: ...se order Do not forget to tighten the bolts and screws and do not forget to reconnect the cables Operation check After having completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is finished and check that the radar image is correctly displayed Open the service engineer menu and adjust the azimuth Remove the nut Met...

Page 73: ...4 1 2 1 Remove the cover on the right starboard side see Section 4 1 2 remove the cables connected to the transmitter receiver unit and the screws three M5 screws holding the transmitter receiver unit in place and remove the transmitter receiver unit 2 Remove the cable for the fan that is connected to the T R control circuit board Remove the five cables Remove the three screws Remove the cable ...

Page 74: ...eration check After having completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is finished and check that the radar image is correctly displayed Check that the fan alarm is not triggered 4 1 12 Modulator fan replacement NKE 2254 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm s...

Page 75: ...t in place and remove the transmitter receiver unit 2 Remove the cable for the fan that is connected to the T R control circuit board 3 Loosen the screws nine M4 screws holding the cover in place remove the screws two M4 screws holding the heat radiation plate in place and remove the cover Remove the five cables Remove the three screws Remove the cable Loosen the nine screws Remove the two screws ...

Page 76: ...e order Do not forget to tighten the bolts and screws and do not forget to reconnect the cables Operation check After having completed the replacement follow the procedure below to check the operation 1 Turn on the radar and emit radar waves once the countdown is finished and check that the radar image is correctly displayed Check that the fan alarm is not triggered Remove the four screws ...

Page 77: ...ks Before the top cover can be closed the stay bracket stopper must be released 3 Replace the parts which need replacement according to the procedures in the subsequent sections Be careful not to lose screws or brackets removed during replacement 4 After the parts replacement close the top cover set the safety switch to ON Be sure to cap the safety switch The packing shall be clean free from dust ...

Page 78: ...1 Open the top cover see Section 4 1 2 loosen the four screws M4 remove the transmitter receiver unit cover and disconnect the ten cables from the transmitter receiver unit The transmitter receiver unit cover can be removed by sliding it 2 Loosen the five bolts M5 and remove the transmitter receiver unit The transmitter receiver unit can be removed by sliding it upward Loosen the four screws Slide...

Page 79: ...and green of the magnetron do not touch other parts or the chassis Bringing the lead wires into contact with them can cause the discharge Operation check After completing the replacement work check the operation by following the procedure below 1 Turn on the radar and allow sufficient preheating time about 20 to 30 minutes in the STBY state 2 Start transmission in a short pulse range and gradually...

Page 80: ...h width across flats 10 mm for M6 bolts Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 and remove the transmitter receiver unit see Section 4 1 6 2 Remove the four hexagon bolts M6 and remove the motor Apply grease to the gear of the new motor and install the motor in the chassis Be sure to tighten all the four hexagon bolt...

Page 81: ...red tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 and remove the transmitter receiver unit see Section 4 1 6 2 Disconnect the cables from the motor control power circuit remove the eight screws M4 that secure the motor control power circuit...

Page 82: ... the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 and remove the transmitter receiver unit see Section 4 1 6 2 Disconnect the cables from the modulation circuit remove the nine screws M4 that secure the modulation circuit and replace it If the heat radiation plate of the modulator is used mount the insulating sheet straight between TR17 TR18 an...

Page 83: ...s 50 to 70 4 1 18 Power Circuit CBD 1783 Replacement for the NKE 2103 Required tools A Phillips screwdriver for 3 mm screws A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 and remove the transmitter receiver unit see Section 4 1 6 2 Disconnect the ...

Page 84: ... is torn change to a new one provided with the replacement power circuit 4 1 19 Receiver NRG 610 Replacement for the NKE 2103 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws A single ended wrench width across flats 7 mm for M4 bolts Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 ...

Page 85: ...4 from the motor control power circuit and remove the 3D circuit from the chassis c Remove the two screws M4 that secure the 3D circuit and detach the 3D circuit from the mounting plate d Remove the four screws M4 that secure the receiver and replace it Remove the M4 screw Remove the two screws M4 Remove the four screws M4 Motor control power circuit Remove the three screws M4 ...

Page 86: ...he adjustment again 4 1 20 Encoder Replacement for the NKE 2103 Required tools A Phillips screwdriver for 4 mm screws A Phillips screwdriver for 5 mm screws A single ended wrench width across flats 7 mm for M4 bolts Tools for removing the scanner unit covers See Section 4 1 2 Replacement procedure 1 Open the top cover see Section 4 1 2 and remove the transmitter receiver unit see Section 4 1 6 2 R...

Page 87: ...e to tighten all the bolts and screws and connect all the cables Operation check After completing the replacement work check the operation by following the procedure below 1 Turn on the radar transmit radar signals when the countdown is finished and check that radar images are displayed normally At this time open the service engineer menu and adjust the bearing Remove the nut Metal fitting Encoder...

Page 88: ...arry out the work on a soft cloth Required tools A Phillips screwdriver for 3 mm screws A hexagonal Allen wrench 1 5 mm Removal 1 Loosen the slotted head screw of the control with a hexagonal Allen wrench and remove the control and rubber bushing Hexagonal Allen wrench 1 5 mm 2 Remove the ten screws from the rear and remove the front panel Phillips screwdriver for 3 mm screws Remove ...

Page 89: ...ting direction 4 Insert and secure the control checking how it turns and if you can feel the reaction clicking of the control when pressing it Operation check 1 Check that the control turns smoothly 2 Confirm that you feel the reaction clicking of the control when pressing it 3 After the replacement start the equipment and check that images are displayed normally 4 Brightness can be controlled in ...

Page 90: ...cessor unit must be disconnected Required tools A Phillips screwdriver for 3 mm screws Removal 1 Remove the six screws to remove the top cover Phillips screwdriver for 3 mm screws 2 Remove the screws from both sides and the bottom of the power supply unit Phillips screwdriver for 3 mm screws Remove Remove Remove Remove ...

Page 91: ...it and remove the power supply unit to replace it Mounting 1 Mount the new power supply unit in reverse order of removal Operation check 1 Check that the equipment starts normally 2 Transmit radar signals and check that radar images are displayed normally ...

Page 92: ...nd operating time of the scanner unit Required tools A socket wrench for 5 5 mm bolts A Phillips screwdriver for 3 mm screws Removal 1 Remove the top cover according to Section 4 2 2 2 If ARPA and AIS processing circuits are installed remove them according to Sections 4 2 5 and 4 2 6 3 Disconnect the four connectors from the radar processing circuit Remove Remove ...

Page 93: ...the DIP switch settings are the same between the old and new radar processing circuits 2 Assemble the unit in reverse order of removal Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed 3 Restore the setup data you saved and set the transmission time and operating time of the scanner unit you wrote down 4 Transmit radar signals and check that ...

Page 94: ...the battery on a board or conductive object during the work Required tools A standard screwdriver for adjustment A Phillips screwdriver for 3 mm screws Removal 1 Remove the top cover according to Section 4 2 2 2 Insert the standard screwdriver for adjustment into between the battery and the battery holder and lift the batter Standard screwdriver for adjustment 3 Insert the standard screwdriver for...

Page 95: ...y Make sure that the positive polarity is upward 2 Insert the battery into the battery holder sideways 3 Check that the battery is fully inserted Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed ...

Page 96: ...he TT circuit lifting it straight up Phillips screwdriver for 3 mm screws Mounting 1 Assemble the unit in reverse order of removal Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed 3 Generate pseudo targets according to Section 5 2 7 II of the instruction manual and check that the targets can be acquired 4 Display the numeric data of the acqu...

Page 97: ...val 1 Remove the top cover according to Section 4 2 2 2 The AIS processing circuit can be seen on the radar processing circuit 3 The AIS circuit and power circuit are connected with connector attached cables Disconnect the connector from the power circuit AIS processing circuit Disconnect the connector ...

Page 98: ...firm that the DIP switch and short plug settings are the same between the old and new AIS processing circuits 2 Connect the connector attached cables to the new AIS processing circuit 3 Assemble the unit in reverse order of removal Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed ...

Page 99: ...llips screwdriver for 3 mm screws Removal 1 Remove the four screws that secure the NSK Unit NCT 4106A cover Phillips screwdriver for 3 mm screws 2 Disconnect the gyro log cables 3 Detach the connector that is attached to the GYRO LOG I F circuit Remove Remove ...

Page 100: ...at the DIP switch settings of the GYRO I F circuit are correct Check the GYRO I F circuit fuses 2 Assemble the unit in reverse order of removal 3 Start the equipment and set the true bearing value Operation check 1 Check that an error message is not displayed 2 The true bearing value is traced correctly Resolution and rotation direction ...

Page 101: ...ve the ten screws 4 upper 3 right side and 3 left side from the processor unit cover and remove it Phillips screwdriver for 3 mm screws 2 The four fuse holders placed in a line can be seen 3 To uncap a fuse holder turn the standard screwdriver while pushing against the holder cap Standard screwdriver for 3 mm screws Fuse holder Push and turn ...

Page 102: ...arly check the three other fuses Mounting 1 Assemble the unit in reverse order of removal 2 Start the equipment and set the true bearing value Operation check 1 Check that an error message is not displayed 2 The true bearing value is traced correctly Resolution and rotation direction ...

Page 103: ...A Phillips screwdriver for 3 mm screws Removal 1 Loosen the slotted head screws that secure the six controls and remove the controls Hexagonal Allen wrench 1 5 mm 2 Remove the seven setscrews and open the rear cover Phillips screwdriver for 3 mm screws 3 Disconnect the four connectors and remove the rear cover Remove Remove ...

Page 104: ...that the keys on the key rubber fit snugly into the corresponding holes in the front cover Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed 3 Perform a key test buzzer test and light test according to Section 8 3 1 3 of the instruction manual and check that no abnormality is detected 4 Check that the controls turn smoothly 5 Confirm that you...

Page 105: ...wdriver for 3 mm screws Removal 1 Remove the seven setscrews and open the rear cover Phillips screwdriver for 3 mm screws 2 Disconnect the two connectors and remove the rear cover 3 Remove the 2 setscrews and replace the PS2 connector circuit Phillips screwdriver for 3 mm screws Remove Remove Remove Remove ...

Page 106: ...1 Check that the equipment starts normally 2 Check that an error message is not displayed 3 Perform a key test buzzer test and light test according to Section 8 3 1 3 of the instruction manual and check that no abnormality is detected 4 Check that the PS2 mouse operates normally ...

Page 107: ... mm screws 2 Disconnect the connector from the trackball and replace the trackball Mounting 1 Assemble the unit in reverse order of removal Operation check 1 Check that the equipment starts normally 2 Check that an error message is not displayed 3 Perform a key test buzzer test and light test according to Section 8 3 1 3 of the instruction manual and check that no abnormality is detected Remove Re...

Page 108: ...4 52 ...

Page 109: ... Chapter 5 Program Update ...

Page 110: ... ...

Page 111: ...y on the compact flash card 2 Insert the compact flash card with the PC card adapter into card slot 2 upper slot in the processor unit NDC 1460 3 Turn on the radar display system 4 When the program update confirmation screen is displayed press the ENT button on the keyboard If program update is to be canceled press the CLR INFO button 5 When the message Remove the card and restart is displayed rem...

Page 112: ...h card with the PC card adapter into card slot 2 upper slot in the processor unit NDC 1460 2 Turn on the radar display system 3 Hold down the RADAR MENU key on the keyboard for two seconds or more 4 When the Code Input screen is displayed enter 0 and press the ENT button 5 When the Adjust menu is displayed select 2 Maintenance Menu 8 AIS PROC Program Update 6 When the execution confirmation dialog...

Page 113: ...enu 6 System INFO 2 Move the cursor onto the Exit button and press the CLR INFO key on the keyboard five times 3 Check the Indicator and AIS software versions in the newly displayed System INFO Indicator Software version of the main program AIS Software version of the AIS processing circuit ...

Page 114: ...5 4 ...

Page 115: ... Chapter 6 Troubleshooting ...

Page 116: ... ...

Page 117: ...o perform the self diagnostic function Procedure 1 Perform the following menu operation to open the Test Menu Main Menu ψ 1 RADAR Menu ψ 8 RADAR Sub Menu ψ 9 Test Menu 2 Select the item you want to check 1 Self Test 1 Self diagnostic function 2 Monitor Test 2 Monitor check 3 Keyboard Test 3 Operation panel check 4 MON Display 4 Performance monitor 5 Alarm List Log 5 Error log display 6 System INFO...

Page 118: ...3 Flash ROM check 4 Graphic 4 Graphic check If no abnormality is detected OK is displayed if an abnormality is detected NG is displayed ԙ Scanner unit check TXRX Test Checks signals from the scanner Safety Switch Scanner unit safety switch check AZI Pulse Antenna rotation signal check HL Pulse Heading line signal check MH Current Check on the load current of high voltage in the modulator Trigger R...

Page 119: ...bnormality is detected NG is displayed is displayed for equipment not connected 6 1 2 Display Unit Check Monitor Test This function checks the display unit The test pattern will be shown on the display 1 Pattern1 1 Filled in solid white 2 Pattern2 2 A white box is displayed on a black background of 1280 u 1024 dots 3 Pattern3 3 Two squares two circles and nine cross shapes are displayed with white...

Page 120: ...eration panel Each operation panel key on the display is highlighted at the same time as the key is pressed and the name of the pressed key is displayed ԙ Buzzer check Buzzer Test Checks the operation panel buzzer The buzzer will sound The buzzer automatically stops after it sounds for a specified length of time Ԛ Operation panel light check Light Test Checks the operation panel light The brightne...

Page 121: ...the transmitter system read the value one minute after you open this menu Procedure 1 Turn the VRM control until VRM reaches the furthest end of the performance monitor pattern The attenuation of the receiver system will be displayed for Attenuation Value of Receiver System 6 1 5 System Alarm Log Display Alarm List Log If a system error occurs this function highlights the error Errors that have be...

Page 122: ...netron the program versions etc Indicator Ver Display system program version TXRX Ver Scanner program version System No No Display system number TXRX Time Transmit hrs Transmission hours Motor hrs Hours of using the scanner motor Total hrs Hours of using the scanner unit System Time Total hrs Hours of using the display system ...

Page 123: ...on This message indicates that the high voltage power supply for the modulation circuit in the scanner unit is abnormal The power circuit CBD 1682A or the modulation circuit CPA 264 may be faulty Location of cause o Procedure CPA 264 in the scanner unit x Check the insertion of connectors J2102 and J2101 on the modulation circuit CPA 264 x Replace the CPA 264 CBD 1682A in the scanner unit x Check ...

Page 124: ...er unit x Check the scanner motor power line x If it is faulty replace the CBD 2000 2001 Motor in the scanner unit x Check the motor cabling x Replace the motor B101 The type of motor B101 varies depending on the scanner unit TXRX Heater Description This message indicates that the magnetron heater power supply in the scanner unit is faulty The power circuit CBD 1682A the T R control circuit CMC 12...

Page 125: ...sertion of connectors J2102 and J2103 on the modulation circuit CPA 264 x Replace the CPA 264 CMC 1205R in the scanner unit x Check the insertion of P1111 and J1103 on the CMC 1205R x Replace the CMC 1205R CBD 1682A in the scanner unit x Check the insertion of connector J1003 on the power circuit CBD 1682A x Replace the CBD 1682A NRG 162A or NRG 229 in the scanner unit x Check the insertion of the...

Page 126: ...scanner unit x Check the insertion of P1113 and J1114 on the CMC 1205R x Replace the B103 and B104 TXRX Motor Description This message indicates that the motor in the scanner unit is faulty Location of cause o Procedure Motor in the scanner unit x Check the motor cabling x Replace the motor B101 The type of motor B101 varies depending on the scanner unit ...

Page 127: ...C 1205R may be faulty Location of cause o Procedure Equipment cable in the scanner unit x Check the scanner equipment cables TB103 TB203 A and B TB104 TB204 VERR E and TB103 TB202 U1 V1 Power terminal board circuit CBD 1702A in the display system x Check the fuse F3 on the power terminal board circuit CBD 1702A and replace it if blown x Check the CBD 1702A cable connection J5002 J5003 Motor in the...

Page 128: ...heck the scanner equipment cables TB103 TB203 Z TB104 TB204 VERR E and TB103 TB202 U1 V1 Power terminal board circuit CBD 1702A in the display system x Check the fuse F3 on the power terminal board circuit CBD 1702A and replace it if blown x Check the CBD 1702A cable connection J5002 J5003 Motor in the scanner unit x Check the cabling of the motor B101 x Replace the motor B101 The type of motor B1...

Page 129: ...n of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the fuse F3 on the power terminal board circuit CBD 1702A and replace it if blown x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A Equipment cable in the scanner unit x Check the scanner equipment cables TB201 MTR MTR and TB203 48V 48VG CMC 1205R in the scanner unit x Check the ins...

Page 130: ...K 980 Japanese version in the operation unit x Check the insertion of J6001 on the operation circuit CCK 979 980 x Replace the operation circuit CCK 979 980 x Replace the operation unit NCE 7699A or NCE 7729A Power terminal board circuit CBD 1702A in the display system Keyboard Data x Check the insertion of J5002 and J5003 on the power terminal board circuit CBD 1702A x Check the connection of ope...

Page 131: ...m x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Replace the CDC 1350 PROC AZI Description This message indicates that the rotation signal from the scanner is faulty If TXRX AZI or TXRX Data is displayed handle the error first A scanner equipment cable may be broken the power terminal board circuit in the display system may be faulty or the radar processing cir...

Page 132: ... Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Replace the CDC 1350 PROC Video Description This message indicates that the radar video signal from the scanner is faulty If TXRX Video or TXRX Data is displayed handle the error first A scanner equipment cable may be broken the power terminal board circuit in the display system may be faulty or the radar processing...

Page 133: ...C 1350 x Replace the CDC 1350 Indicator Fan Description If the NCD 4380 NCM 866 is used a jumper plug is inserted instead of providing a cooling fan This message indicates that the jumper plug is faulty 㩷 If the NCD 4390 is used the message indicates that the cooling fan in the display system is faulty The fan in the display system may be faulty or the jumper plug may be broken or the input output...

Page 134: ...nit of the display system is faulty In general the DSP circuit is not installed so the message is not to be displayed AIS PROC Data Description This message indicates that the signal to the radar processing circuit from the AIS processor in the processor unit of the display system is faulty If the message is displayed AIS information cannot be displayed Location of cause o Procedure NQA 2155 CDC 1...

Page 135: ...ystem x Check the CBD 1702A cable connection J5 J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Replace the CDC 1350 GYRO Data Description This message indicates that the NSK unit connected to the display system cannot recognize the GYRO signal If the message is displayed the true bearing value c...

Page 136: ...the serial port for Heading may not be correct Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5 J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Check the baud rate in the initial setting menu x Check if Compass is...

Page 137: ...rrect A setting may not be made for using the receive port to which the GPS is connected There may be no GPS output Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J3 J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x ...

Page 138: ...isplay system x Check the CBD 1702A cable connection J3 J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Check the baud rate in the initial setting menu x In the initial setting menu check the receive port to be used x Replace the radar processing circuit CDC 1350 in the processor unit GPS Status ...

Page 139: ...he receive port to which the log is connected There may be no log output The message is not displayed any more when other ship speed information is selected Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on th...

Page 140: ...he display system x Check the insertion of J4402 and J4003 on the radar processing circuit CDC 1350 x Check the baud rate in the initial setting menu x In the initial setting menu check the receive port to be used x Replace the radar processing circuit CDC 1350 in the processor unit AIS Alarm Description This message indicates that alarm information is included in AIS data received by this radar e...

Page 141: ...rrect A setting may not be made for using the receive port to which the echo sounder is connected There may be no echo sounder output Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circ...

Page 142: ...rect A setting may not be made for using the receive port to which the water temperature sensor is connected There may be no output from the water temperature sensor Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4...

Page 143: ...ect A setting may not be made for using the receive port to which the vane anemometer sensor is connected There may be no output from the vane anemometer sensor Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 o...

Page 144: ... setting may not be made for using the receive port to which the current meter sensor is connected There may be no output from the current meter sensor Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the rad...

Page 145: ... not be correct A setting may not be made for using the receive port to which the GYRO is connected There may be no GRYO output Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the radar processing circuit CD...

Page 146: ...A setting may not be made for using the receive port to which the rudder angle sensor is connected There may be no output from the rudder angle sensor Location of cause o Procedure Power terminal board circuit CBD 1702A in the display system x Check the CBD 1702A cable connection J5002 J5003 x Replace the CBD 1702A CDC 1350 in the display system x Check the insertion of J4402 and J4003 on the rada...

Page 147: ...g the power switch does not start the equipment Location of cause o Procedure Circuit breaker Check that the circuit breaker is turned on Input voltage The protection circuit may be activated because the input voltage is too high Preset protective voltage 42 VDC Check the voltage The cursor cannot be operated with the trackball Description The cursor cannot be moved by operating the trackball Loca...

Page 148: ...y destination may be set Assign the user key to the end point key o and double click at any position For the user key setting procedure see the instruction manual The initial acquisition mark is not displayed Description A target is selected but the initial acquisition mark is not displayed Location of cause o Procedure TT brilliance Check that TT brilliance is not set to 0 ARPA ATA circuit Replac...

Page 149: ...annot be displayed correctly Description The setting may not be correct or the bearing sensor may have a problem Location of cause o Procedure Setting The GYRO I F circuit may not be set correctly Check if the setting is suitable for the equipment in use GYRO DATA Step type If signal amplification is too low when a step type gyro is used an error may be posted In many cases the error can occur if ...

Page 150: ...6 34 ...

Page 151: ... Chapter 7 Drawings ...

Page 152: ... ...

Page 153: ...n Unit NCE 7699A Figure 7 8 Outline Drawing of the Multi function Operation Unit NCE 7729A Figure 7 9 Outline Drawing of the Rectifier NBA 5111 Option Figure 7 10 Overall System Diagram of the Radar JMA 5222 7 9 Figure 7 11 Overall System Diagram of the Radar JMA 5212 4 6 4HS 6HS Figure 7 12 Inter Unit Connection Diagram of the JMA 5222 7 9 Figure 7 13 Inter Unit Connection Diagram of the JMA 5212...

Page 154: ...7 2 7 1 1 Outline Drawing of the Scanner Unit NKE 2254 7 Figure 7 1 Outline Drawing of the Scanner Unit NKE 2254 7 ...

Page 155: ...7 3 7 1 2 Outline Drawing of the Scanner Unit NKE 2254 9 Figure 7 2 Outline Drawing of the Scanner Unit NKE 2254 9 ...

Page 156: ...7 4 7 1 3 Outline Drawing of the Scanner Unit NKE 2103 4 4HS Figure 7 3 Outline Drawing of the Scanner Unit NKE 2103 4 4HS ...

Page 157: ...7 5 7 1 4 Outline Drawing of the Scanner Unit NKE 2103 6 6HS Figure 7 4 Outline Drawing of the Scanner Unit NKE 2103 6 6HS ...

Page 158: ...7 6 7 1 5 Outline Drawing of the Display System NDC 1460 Figure 7 5 Outline Drawing of the Display System NDC 1460 ...

Page 159: ...7 7 7 1 6 Outline Drawing of the Display Unit NWZ 164 Figure 7 6 Outline Drawing of the Display Unit NWZ 164 DISPLAY AREA DISPLAY AREA 1 6 7 HOLE FOR INSTALLATION ...

Page 160: ... Drawing of the Operation Unit NCE 7699A 5 METER CONNECTION CABLE INCLUDED INLET FOR OPTION PS2 OUTLINE DIMENSIONS CABLE INLET LOCATION TO ATTACH HOOK AND LOOP FASTENER 4 M4 DEPTH 5 8 OVER TO DIMENSIONAL DEVIATIONS CHASSIS COLOR N4 EQUIVALENT TEXTURED HN2001G MASS APPROX 1 3 kg ...

Page 161: ...7 9 7 1 8 Outline Drawing of the Multi function Operation Unit NCE 7729A Figure 7 8 Outline Drawing of the Multi function Operation Unit NCE 7729A ...

Page 162: ...7 10 7 1 9 Outline Drawing of the Rectifier NBA 5111 Option Figure 7 9 Outline Drawing of the Rectifier NBA 5111 Option ...

Page 163: ...7 11 7 2 System Diagrams 7 2 1 Overall System Diagram of the Radar JMA 5222 7 9 Figure 7 10 Overall System Diagram of the Radar JMA 5222 7 9 ...

Page 164: ...7 12 7 2 2 Overall System Diagram of the Radar JMA 5212 4 6 4HS 6HS Figure 7 11 Overall System Diagram of the Radar JMA 5212 4 6 4HS 6HS ...

Page 165: ... GND 11 VSYNC GND 12 NC 13 HSYNC 14 VSYNC 15 NC SLAVE RGB OUTPUT 1 M J2 SUB KEY BOARD 2 M 3 M 4 M 5 2A 6 GND 7 VDE 8 12V 9 1A 10 VD 11 MTR 12 BZ 13 MTR 14 TRGE 15 TRG 16 BP BLU T GRY T PUR T BRN T WHT T ORN T RED T GRN T BLK T SKY T BLK YEL T PNK T YEL GRN WHT ORN 1 EVDO 2 EVDOE 3 FG 4 ETRGO 5 EBPO 6 EBZO 7 ETRGOE 8 EVDI 9 EVDIE 10 ETRGI 11 12V 12 EBPI 13 EBZI 14 ETRGIE SIMPLYFIED ISW OUTPUT INPUT...

Page 166: ...7 14 7 3 2 Inter Unit Connection Diagram of the JMA 5212 4 6 4HS 6HS Figure 7 13 Inter Unit Connection Diagram of the JMA 5212 4 6 4HS 6HS ...

Page 167: ...7 15 7 4 Unit Internal Connection Diagrams 7 4 1 Internal Connection Diagram of the Scanner Unit NKE 2254 Figure 7 14 Internal Connection Diagram of the Scanner Unit NKE 2254 ...

Page 168: ...㪡㪏㪋㪅㪧㪤㪪㪈㪅㪧㪫㪠㪉㪅㪧㪫㪜㪊㪅㪣㪭㪩㪌㪅㪜㪍㪅㪫㪯㪠㪎㪅㪫㪯㪜㪋㪅㱂㪙㪈㪅㱂㪱㪉㪅㪜㪊㪅㱂㪘㪌㪅㪂㪈㪉㪭㪍㪅㪝㪅㪞㪅㪰㪜㪣㪙㪣㪢㪙㪣㪬㪮㪟㪫㪩㪜㪛㪪㪟㪠㪜㪣㪛㪧㪏㪈㪅㪧㪫㪠㪉㪅㪧㪫㪜㪈㪅㪣㪭㪩㪉㪅㪧㪤㪪㪊㪅㪜㪊㪅㪫㪯㪠㪋㪅㪫㪯㪜㪡㪏㪈㪡㪏㪉㪧㪏㪈㪧㪏㪉㪮㪟㪫㪙㪣㪢㪙㪣㪬㪩㪜㪛㪙㪣㪢㪮㪟㪫㪙㪩㪥㪧㪤㪥㪡㪬㪄㪏㪌㪎㪱㪚㪩㪛㪈㪉㪏㪇㶎㪈㪅㪉㪘㪉㪅㪈㪘㪡㪈㪌㪇㪊㪈㪅㪤㪧㪪㪉㪅㪤㪚㪫㪡㪈㪌㪇㪈㪊㪅㪤㪙㪢㪈㪅㪟㪤㪚㪥㪫㪉㪅㪂㪈㪌㪭㪡㪈㪌㪇㪌㪊㪅㪘㪞㪥㪛㪈㪅㪉㪘㪉㪅㪈㪘㪡㪋㪈㪅㪉㪘㪉㪅㪈㪘㪡㪌㪈㪅㪤㪧㪪㪉㪅㪤㪚㪫㪡㪉㪇㪐㪊㪅㪤㪙㪢㪈㪅㪚㪉㪞㪉㪅㪚㪉㪡㪉㪈㪇㪈㪅㪉㪘㪉㪅㪈㪘㪡㪉㪇㪋㪡㪉㪇㪍㪈㪅㪤㪟㪊㪅㪤㪥㪤㪦㪫㪦㪩㩷㪚㪦㪥㪫㪩㪦㪣㩷㪧㪦㪮㪜㪩㩷㪚㪠㪩㪚㪬㪠...

Page 169: ...01 6P K2 1 2 3 4 1 2 3 4 5 NO COM 1 2 3 4 SPA 2 51 10A DC50V F2 5 A10A F3 10A W406 H 7ZCRD1521 J1 7P J2 16P J3 5P J4 14P J5 8P J6 7P J7 15P J8 9P CBD 1702A POWER SUPPLY TERMINAL BOARD CCT PC501 J5007 14P J5008 14P NDC 1460 PROCESSING UNIT POWER CABLE CFQ 5436 5 5m INTERUNIT CABLE CFQ 6912 5 10 15 20 30 40 50 65 5m 10m 15m 20m 30m 40m 50m 65m SCANNTER W601 H 7ZCRD1481 1A 2A SHIP㵭S MAIN DC24V J6001 ...

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Page 171: ......

Page 172: ...TE EQ LR 6GNGRJQPG CEUKOKNG G OCKN 56 4 TCPEJ 6GNGRJQPG CEUKOKNG G OCKN UGTXKEG LTECOU PN 5 66 TCPEJ 6GNGRJQPG CEUKOKNG G OCKN UGTXKEG LTECOGTKEC EQO 1 0Q 24 1 0Q 24 1 6 FKVKQP 4 1 6 FKVKQP 4 Not use the asbestos For further information contact 74 JVVR YYY LTE EQ LR ...

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JRC JMA-5212-4, Service Manual

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Summary of Contents for JMA-5212-4

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